Case Study: The Sun Belt Migration Story

Between 2018 and 2024, IRS SOI data reveals that California, New York, and Illinois lost a combined net of approximately 2.5 million domestic residents. The primary destinations were Texas (+1.1 million), Florida (+900,000), Tennessee (+250,000), Arizona (+350,000), and North Carolina (+300,000). The income transfer was even more dramatic: California alone lost an estimated $60 billion in adjusted gross income to outmigration during this period—income that would have supported housing demand, tax revenue, and economic activity. The COVID pandemic accelerated pre-existing trends: remote work untethered knowledge workers from high-cost employment centers, while state-level COVID policies and lifestyle preferences amplified the push factors. By 2022, the pace was extraordinary—Florida gained a net 318,855 domestic migrants in a single year, the highest annual domestic gain for any state on record.

Destination metros experienced acute housing market effects. Austin home prices rose 60% from 2019 to mid-2022. Tampa rose 55%. Raleigh rose 50%. Rents in these metros surged 20-30% over the same period as demand overwhelmed available supply. The flood of high-income migrants with equity from expensive origin markets bid up prices beyond what local wages could support, creating affordability challenges that now constrain further growth. Origin metros experienced differentiated effects. New York City rental vacancy spiked to 6.5% in 2020 (up from 3.5% pre-COVID) before recovering as international immigration partially offset domestic outflows. San Francisco experienced persistent vacancy increases and rent declines through 2022 in downtown office-adjacent neighborhoods. Chicago suburban housing held relatively firm while urban core markets softened. The construction response in destination metros was massive—permitted units in Texas, Florida, and Arizona reached record levels in 2022-2023, setting the stage for potential oversupply corrections similar to what Austin experienced in 2023-2024.

Is the Sun Belt migration trend sustainable? The structural drivers remain intact: no-income-tax states maintain their tax advantage, Sun Belt job growth continues to outpace the national average, and climate preferences have not reversed. However, the pace is decelerating from the extreme 2021-2022 levels as COVID-related push factors fade, remote work policies stabilize, and destination affordability erodes. For investors, the lesson is nuanced: Sun Belt markets remain demographically advantaged for the next decade, but the easy gains are over. Markets that received the largest migration surges (Austin, Boise, Phoenix) face supply corrections as construction pipelines deliver into decelerating demand. The next wave of outperformance may come from second-tier Sun Belt metros—Huntsville, Greenville, Chattanooga, Bentonville—that offer the same structural advantages but have not yet experienced the migration-driven price surge and supply response.